请选择DCBA9j.r7~/r'O/} 书在桌子上吗？1}4_2w0p7U2E;t,S3{8g
A． Books are on the table.1}4_2w0p7U2E;t,S3{8g
B. Books are on the chair.1}4_2w0p7U2E;t,S3{8g
C. Are books on the table?1}4_2w0p7U2E;t,S3{8g
D. Yes, they are.1}4_2w0p7U2E;t,S3{8g